Research Article

Optimum Pipeline for Visual Terrain Classification Using Improved Bag of Visual Words and Fusion Methods

Table 1

List of different encoding and pooling methods and their formulations.

Coding methodFormulationCoding DimPooling DimPooling methodFormulation

Activation-based coding methodsHA,ifAvg
SAMax
LSALp
if
SCMaxExp
LCCMaxPro
LLCAxMin

Difference-based coding methodsFVConcatenation
VLAD
LTC
defined by LCC
SVC
defined by LSA